static TripleWeb ai_webToTripleWeb(Web web) {
  T3<S> t = ai_webToTriple(web);
  if (t == null) null;
  new TripleWeb w;
  w.a = t.a;
  w.b = t.b;
  w.c = t.c;
  w.globalID(web.globalIDObj());
  w.created = web.created;
  w.source = web.source;
  ret w;
}